This topic contains a solution. Click here to go to the answer

Author Question: The period-luminosity relationship is primarily used for main-sequence stars. a. True b. False ... (Read 41 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
The period-luminosity relationship is primarily used for main-sequence stars.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

The interstellar medium is made of ______________.
 
  a. gas b. dust
  c. gas and dust d. None of these choices are correct.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

False

Answer to Question 2

c





 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

For a complete list of videos, visit our video library